Live analysis
20,001
20,001 is a composite number, odd.
This number doesn't have a permanent NumberWiki page yet — what you see below is computed live.
Pages get added to the permanent index when they're notable (years, primes, curated, etc.).
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 3
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 15 bits
- Reversed
- 10,002
- Square (n²)
- 400,040,001
- Cube (n³)
- 8,001,200,060,001
- Divisor count
- 8
- σ(n) — sum of divisors
- 27,360
- φ(n) — Euler's totient
- 12,992
- Sum of prime factors
- 175
Primality
Prime factorization: 3 × 59 × 113
Divisors & multiples
Aliquot sum (sum of proper divisors):
7,359
First multiples
20,001
·
40,002
(double)
·
60,003
·
80,004
·
100,005
·
120,006
·
140,007
·
160,008
·
180,009
·
200,010
Sums & aliquot sequence
As consecutive integers:
10,000 + 10,001
6,666 + 6,667 + 6,668
3,331 + 3,332 + 3,333 + 3,334 + 3,335 + 3,336
310 + 311 + … + 368
Aliquot sequence:
20,001 → 7,359 → 3,393 → 2,067 → 957 → 483 → 285 → 195 → 141 → 51 → 21 → 11 → 1 → 0
— terminates at zero
Representations
- In words
- twenty thousand one
- Ordinal
- 20001st
- Binary
- 100111000100001
- Octal
- 47041
- Hexadecimal
- 0x4E21
- Base64
- TiE=
- One's complement
- 45,534 (16-bit)
In other bases
ternary (3)
1000102210
quaternary (4)
10320201
quinary (5)
1120001
senary (6)
232333
septenary (7)
112212
nonary (9)
30383
undecimal (11)
14033
duodecimal (12)
b6a9
tridecimal (13)
9147
tetradecimal (14)
7409
pentadecimal (15)
5dd6
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓏺
- Greek (Milesian)
- ͵καʹ
- Mayan (base 20)
- 𝋢·𝋪·𝋠·𝋡
- Chinese
- 二萬零一
- Chinese (financial)
- 貳萬零壹
In other modern scripts
Eastern Arabic
٢٠٠٠١
Devanagari
२०००१
Bengali
২০০০১
Tamil
௨௦௦௦௧
Thai
๒๐๐๐๑
Tibetan
༢༠༠༠༡
Khmer
២០០០១
Lao
໒໐໐໐໑
Burmese
၂၀၀၀၁
Digit at this position in famous constants
- π — Pi (π)
- Digit 20,001 = 8
- e — Euler's number (e)
- Digit 20,001 = 6
- φ — Golden ratio (φ)
- Digit 20,001 = 6
- √2 — Pythagoras's (√2)
- Digit 20,001 = 3
- ln 2 — Natural log of 2
- Digit 20,001 = 5
- γ — Euler-Mascheroni (γ)
- Digit 20,001 = 2
Also seen as
Unicode codepoint
両
CJK Unified Ideograph-4E21
U+4E21
Other letter (Lo)
UTF-8 encoding: E4 B8 A1 (3 bytes).
Hex color
#004E21
RGB(0, 78, 33)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.78.33.
- Address
- 0.0.78.33
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.78.33
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 20001 first appears in π at position 54,199 of the decimal expansion (the 54,199ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.